CALL FOR PROPOSALS:

ORGANIZERS

  • Harvey Thorleifson, Chair
    Minnesota Geological Survey
  • Carrie Jennings, Vice Chair
    Minnesota Geological Survey
  • David Bush, Technical Program Chair
    University of West Georgia
  • Jim Miller, Field Trip Chair
    University of Minnesota Duluth
  • Curtis M. Hudak, Sponsorship Chair
    Foth Infrastructure & Environment, LLC

 

Session No. 132
Monday, 10 October 2011: 1:30 PM-5:30 PM
Room 200FG (Minneapolis Convention Center)

T65. Paleoclimate, Terrestrial Ecosystems, and Human Evolution in Africa from the Pleistocene to the Present

GSA Archaeological Geology Division; GSA Limnogeology Division

 

Daniel J. Peppe, David L. Fox and Christian Tryon, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
HOMININ EVOLUTION IN SETTINGS OF STRONG ENVIRONMENTAL VARIABILITY
POTTS, Richard, Human Origins Program, Smithsonian Institution, National Museum of Natural History, NHB 112, Washington, DC 20560-0112, pottsr@si.edu, pottsr@si.edu
2
1:55 PM
Withdrawn
3
2:15 PM
ECOLOGICAL BIOGEOGRAPHY OF AFRICAN MAMMALS IN RELATION TO CLIMATE AND TOPOGRAPHY
OCHIAGHA, Chiji, Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455, FOX, David L., Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219 and BADGLEY, Catherine, Department of Ecology and Evolutionary Biology, University of Michigan, 1109 Geddes Avenue, Ann Arbor, MI 48109, ochi0004@umn.edu, ochi0004@umn.edu
4
2:30 PM
PALEOECOLOGY FROM PROBOSCIDEANS: DEVELOPING A MODEL FOR TOOTH ENAMEL MATURATION IN MODERN ELEPHANTS (LOXODONTA AFRICANA)
UNO, Kevin T.1, FISHER, Daniel C.2, QUADE, Jay3, WITTEMYER, George4 and CERLING, Thure E.1, (1)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, (2)Museum of Paleontology and Department of Geological Sciences, University of Michigan, 1109 Geddes Ave, Ann Arbor, MI 48109-1079, (3)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (4)Department of Fish, Wildlife & Conservation Biology, Colorodo State University, Fort Collins, CO, USA, Colorodo State University, Fort Collins, CO 80523, kevinuno1@gmail.com, kevinuno1@gmail.com
5
2:45 PM
HOW FIRE, PCO2, AND CLIMATE CONTROL C3/C4 VARIATION: A LATE-QUATERNARY PERSPECTIVE FROM EQUATORIAL EAST AFRICA
URBAN, Michael A., Program of Ecology Evolution and Conservation, University of Illinois, 505 S. Goodwin St, Urbana, IL 61801, NELSON, David M., University of Maryland, Center for Environmental Science, 301 Braddock Road, Frostburg, MD 21532, VERSCHUREN, Dirk, Biology, Gent University, K. L. Ledeganckstraat 35, Gent, B-9000, Belgium and HU, Feng Sheng, Plant Biology, University of Illinois, 505 S. Goodwin St, Urbana, IL 61801, mesosuchus@life.illinois.edu, mesosuchus@life.illinois.edu
 
3:00 PM
Break
6
3:15 PM
A 1.2 MA HISTORY OF TEMPERATURE AND ARIDITY IN THE LAKE MALAWI BASIN, EAST AFRICA
JOHNSON, Thomas C.1, ABBOTT, April1, WERNE, Josef P.2, BERKE, Melissa A.1, BROWN, Erik T.3, SCHOUTEN, Stefan4 and SINNINGHE DAMSTÉ, Jaap5, (1)Large Lakes Observatory and Department of Geological Sciences, University of Minnesota Duluth, Duluth, MN 55812, (2)Department of Geology & Planetary Science, University of Pittsburgh, Pittsburgh, PA 15260, (3)Large Lakes Observatory & Dept of Geol. Sci, University of Minnesota Duluth, RLB-109, 10 University Drive, Duluth, MN 55812, (4)Department of Marine Organic Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, Royal Netherlands Institute for Sea Research, Den Burg, 1790 AB, Netherlands, (5)Department of Marine Organic Biogeochemistry, NIOZ Royal Netherlands Institute for Sea Research, Den Burg, 1790 AB, Netherlands, tcj@d.umn.edu, tcj@d.umn.edu
7
3:35 PM
A 1,200,000 YEAR PALEOECOLOGICAL RECORD FROM OSTRACODES, CHARCOAL, AND OTHER PALEOCLIMATE INDICATORS FROM LAKE MALAWI, EAST AFRICA
BLOME, Margaret Whiting1, COHEN, Andrew S.2 and LOPEZ, Matthew J.2, (1)Geosciences, University of Arizona, Tucson, AZ 85719, (2)Department of Geosciences, University of Arizona, Tucson, AZ 85721, mwblom@email.arizona.edu, mwblom@email.arizona.edu
8
3:50 PM
TERRESTRIAL EVIDENCE FOR LATE QUATERNARY LAKE LEVEL CHANGES FROM THE LAKE VICTORIA BASIN, EQUATORIAL AFRICA
PEPPE, Daniel J., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, FAITH, J. Tyler, Department of Anthropology, The George Washington University, Washington, DC 200052, TRYON, Christian, Department of Anthropology, Harvard University, Cambridge, MA 02138, FOX, David L., Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, GARRETT, Nicole, Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, VAN PLANTINGA, Alexander, Geology and Geophysic, Texas A&M, College Station, TX 77843-3115, KEEGAN, William, Heritage Consultants, 877 Main Street, Newington, CT 06111, NIGHTINGALE, Sheila, Archaeology, CUNY Graduate Center, 365 Fifth Avenue, New York, 10016, OGONDO, Julian, National Museums of Kenya, Nairobi, Kenya and ZAARUR, Shikma, Department of Geology and Geophysics, Yale University, New Haven, CT 06511, daniel_peppe@baylor.edu, daniel_peppe@baylor.edu
9
4:05 PM
A CRYPTIC VOLCANIC SOURCE: IMPROVING THE TEPHROSTRATIGRAPHIC RESOLUTION OF THE “ZINJANTHROPUS” ARCHEOLOGICAL SURFACE AT OLDUVAI GORGE, TANZANIA
MCHENRY, Lindsay J., Geosciences, University of Wisconsin- Milwaukee, 3209 N Maryland Ave, Milwaukee, WI 53211, STANISTREET, Ian G., Department of Earth & Ocean Sciences, University of Liverpool, Brownlow Street, Liverpool, L69 3BX, United Kingdom and STOLLHOFEN, Harald, University of Erlangen-Nuernberg, North Bavarian Center of Earth Sciences, Schlossgarten 5, Erlangen, 91054, Germany, lmchenry@uwm.edu, lmchenry@uwm.edu
10
4:20 PM
HIGH-RESOLUTION PALEOENVIRONMENTAL AND PALEOCLIMATIC RECONSTRUCTION OF A PLEISTOCENE CATENA USING PALEOPEDOLOGY AND GEOCHEMISTRY OF LAKE MARGIN PALEO-VERTISOLS, OLDUVAI GORGE, TANZANIA
BEVERLY, Emily J., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, ASHLEY, Gail M., Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854-8066 and DRIESE, Steven G., Terrestrial Paleoclimatology Research Group, Dept. of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, Emily_Beverly@baylor.edu, Emily_Beverly@baylor.edu
 
4:35 PM
Discussion
11
4:45 PM
GEOCHRONOLOGY OF THE MANYARA BEDS, NORTHERN TANZANIA: STRATIGRAPHY AND NEW MAGNETOSTRATIGRAPHY AND 40Ar/39Ar AGES
WILDGOOSE, Maya M., Geology, University of California-Davis, One Shields Avenue, Department of Geology, Davis, CA 95616, SCHWARTZ, Hilde L., Earth and Planetary Sciences, University of California-Santa Cruz, 1156 High Street, Department of Earth and Planetary Sciences, Santa Cruz, CA 95064, RENNE, Paul R., Berkeley Geochronology Ctr, 2455 Ridge Rd, Berkeley, CA 94709-1211, LIPPERT, Peter C., Geosciences, University of Arizona-Tucson, Gould-Simpson Building #77, 1040 E 4th Street, Tucson, AZ 85721, MORGAN, Leah E., Petrology, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081HV, Netherlands, FROST, Stephen R., Anthropology, University of Oregon, 308 Condon Hall, 1218 University of Oregon, Eugene, OR 97403, SCHRENK, Friedmann, Institute for Ecology, Evolution & Diversity, Goethe University Frankfurt, Max-von-Laue-Str. 13, Frankfurt am Main, 60438, Germany, HARVATI, Katerina, Early Prehistory and Quarternary Ecology, Senckenberg Center for Human Evolution and Paleoecology, Eberhard Karls Universitat, Tubingen, 72070, Germany and SAANANE, Charles, Archaeology Unit, History Department, University of Dar es Salaam, Dar es Salaam, Tanzania, mwildgoose@ucdavis.edu, mwildgoose@ucdavis.edu
12
5:00 PM
AR RADIOMETRIC AGES OF RARE PLIO-PLEISTOCENE STRATA FOR INTERPRETING BASIN EVOLUTION AND HOMININ PALEOENVIRONMENTS IN SOUTHERN AFAR, ETHIOPIA
DIMAGGIO, Erin N., School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287-1404, ARROWSMITH, J. Ramón, School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, CAMPISANO, Christopher J., Institute of Human Origins, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287 and DEINO, Alan L., Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, erin.dimaggio@asu.edu, erin.dimaggio@asu.edu
13
5:15 PM
SULFUR, FLUORINE AND CHLORINE DEGASSING OF PLIO-PLEISTOCENE VOLCANOES IN EAST AFRICA
HAILEAB, Bereket, Geology, Carleton College, One North College Street, Northfield, MN 55057, bhaileab@carleton.edu, bhaileab@carleton.edu
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